Math 132005
Quiz 1 (09/02/16)
1. In the Braille system (for the visually impaired) a symbol is represented
by raising at least one dot in a certain xed rectangular six-dot pattern.
(a) How many dierent symbols can be represented in the Braille system?
26

Date: February 16, 2016, Tuesday NAME
DEPARTME
SECTION:.ﬁ . .
Math 132 Spring 2016 — QUIZ # 1
1) Find the number of all positive integer solutions to the equation
$1+$2+ZE3+CB4=18
Solution:
w. \uc1nxamwkwm‘vr
W’IMVAA 2) Let p, q, and 7“ be three s

Math 132-02: Discrete Mathematics
Problem session 3
February 19, 2016
1. Establish the validity of the following arguments. Do this in two ways: By listing a sequence of steps
to proceed from hypotheses to conclusion, and by means of truth tables.
pq
r s

Math 132-02: Discrete Mathematics
Problem session 2
February 12, 2016
1. We dene a multiset to be a set in which we are allowed to have repeated elements. If we denote a
multiset by angular brackets
, we then have A = 1, 1, 2, 3 and B = 1, 2, 2, 3, 3, 3 a